.mhy-custom-toast {
  position: fixed;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  padding: 10px 20px;
  background-color: rgba(0, 0, 0, 0.65);
  line-height: 1.5;
  max-width: 60%;
  border-radius: 4px;
  color: #fff;
  z-index: 9999;
  font-size: 14px
}